A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
early-type emission star      (earlyTypeEmissionStar)
early-type emission star
early type emission star emission line star Ae star ,
Be star ,
Oe star ,
Oef star ,
Of star ,
Wolf-Rayet star
 
early-type galaxy      (earlyTypeGalaxy)
early-type galaxy
early type galaxy galaxy
 
early-type star      (earlyTypeStar)
early-type star
blue star ,
early type star ,
hot star
ultraviolet source A star ,
B star ,
O star ,
OB star ,
early-type variable star ,
faint blue star
orion population star
see also gas
 
early-type supergiant      (earlyTypeSupergiant)
early-type supergiant star
early type supergiant star supergiant A supergiant ,
B supergiant ,
O supergiant ,
OB supergiant
luminous blue variable star
 
early-type variable star      (earlyTypeVariableStar)
early-type variable star
early type variable star early-type star S Doradus star ,
SX Arietis star ,
beta Cephei star ,
luminous blue variable star
A star ,
B star ,
O star
 
early universe      (earlyUniverse)
early universe
Big Bang theory ,
Dark Energy ,
cosmology
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
Earth      (Earth)
Earth
planet Earth sciences ,
Solar System ,
continent ,
core ,
crater ,
crust ,
earthquake ,
geocorona ,
geodesy ,
geoid ,
geomagnetism ,
geophysics ,
glaciology ,
mantle ,
perigee ,
polar cap ,
radiation belt ,
scintillation ,
seismology ,
sidereal time ,
solar-terrestrial relation ,
space geodesy ,
topography ,
troposphere
combine with other terms
 
Earth atmosphere      (EarthAtmosphere)
Earth atmosphere
terrestrial atmosphere atmosphere D layer ,
E layer ,
F layer ,
aeronomy ,
atmospheric extinction ,
atmospheric scattering ,
atmospheric scintillation ,
atmospheric window ,
cloud monitor ,
cloud ,
exosphere ,
ionosphere ,
magnetosphere ,
mesopause ,
mesosphere ,
meteorology ,
noctilucent cloud ,
ozone layer ,
scale height ,
scintillation ,
seeing ,
stratopause ,
stratosphere ,
telluric line ,
thermosphere ,
tropopause ,
troposphere ,
turbulence Earth atmosphere ,
twilight ,
upper atmosphere
 
Earth-Moon system      (EarthMoonSystem)
Earth-Moon system
Earth Moon system Solar System ,
annual equation ,
equation of the center ,
lunar theory ,
tidal friction ,
two-body problem
 
Earth orbit      (EarthOrbit)
Earth orbit
annual equation ,
aphelion ,
ecliptic ,
ecliptic coordinate system ,
ecliptic plane ,
equation of time ,
perihelion ,
solar parallax ,
time ,
tropical year ,
zodiac
 
earthquake      (earthquake)
earthquake
Earth ,
moonquake
 
Earth rotation      (EarthRotation)
Earth rotation
rotation Chandler wobble ,
astrometry ,
equation of the equinox ,
nutation ,
polar motion ,
precession ,
time
 
Earth sciences      (EarthSciences)
Earth sciences
scientific field geodesy ,
geology ,
geophysics ,
glaciology
Earth ,
geophysical observatory
 
Earthshine      (Earthshine)
Earthshine
Moon
 
eccentric anomaly      (eccentricAnomaly)
eccentric anomaly
orbital anomaly
 
eccentricity      (eccentricity)
eccentricity
orbital element elliptical orbit
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
echelle grating      (echelleGrating)
echelle grating
echelons diffraction grating echelle spectrum ,
objective grating ,
reflection grating ,
spectrograph ,
transmission grating
 
echelle spectrograph      (echelleSpectrograph)
echelle spectrograph
echelle spectrometer spectrograph Coude spectrum ,
echelle spectrum ,
high-resolution spectrum ,
high-resolution spectrosopy
 
echelle spectrum      (echelleSpectrum)
echelle spectrum
high-resolution spectrum ,
spectrum
echelle grating ,
echelle spectrograph
 
eclipse      (eclipse)
eclipse
annular eclipse ,
lunar eclipse ,
partial eclipse ,
solar eclipse ,
total eclipse
eclipsing binary star ,
occultation ,
penumbra ,
transit ,
umbra
 
eclipsing binary star      (eclipsingBinaryStar)
eclipsing binary star
eclipsing star ,
eclipsing variable star ,
photometric binary star
binary star ,
variable star
Algol variable star ,
DQ Herculis star ,
R Canis Majoris star ,
W Ursae Majoris star ,
beta Lyrae star ,
upsilon Sagittarii star
Roche lobe ,
contact binary star ,
eclipse ,
ellipsoidal variable star ,
interacting binary star ,
partial eclipse ,
photometric element ,
spectroscopic binary star ,
total eclipse
 
ecliptic coordinate system      (eclipticCoordinateSystem)
ecliptic coordinate system
celestial coordinate system Earth orbit ,
ecliptic ,
ecliptic latitude ,
ecliptic longitude ,
ecliptic pole
 
ecliptic      (ecliptic)
ecliptic
Earth orbit ,
ecliptic coordinate system ,
ecliptic plane ,
ecliptic pole ,
equinox ,
obliquity of ecliptic ,
solstice ,
zodiac
 
ecliptic latitude      (eclipticLatitude)
ecliptic latitude
latitude ecliptic coordinate system ,
ecliptic longitude ,
ecliptic pole
 
ecliptic longitude      (eclipticLongitude)
ecliptic longitude
longitude ecliptic coordinate system ,
ecliptic latitude ,
ecliptic pole
 
ecliptic plane      (eclipticPlane)
ecliptic plane
Earth orbit ,
ecliptic ,
ecliptic pole ,
obliquity of ecliptic
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
ecliptic pole      (eclipticPole)
ecliptic pole
pole North Ecliptic Pole ,
South Ecliptic Pole
ecliptic ,
ecliptic coordinate system ,
ecliptic latitude ,
ecliptic longitude ,
ecliptic plane
 
E corona      (ECorona)
E corona
E component ,
E-corona
corona
 
Eddington limit      (EddingtonLimit)
Eddington limit
gravitational force ,
radiation pressure ,
stellar interior
 
edge effect      (edgeEffect)
edge effect
galaxy ,
photography
 
Edgeworth-Kuiper belt      (EdgeworthKuiperBelt)
Edgeworth-Kuiper belt
Kuiper belt Edgeworth-Kuiper belt object ,
Solar System ,
asteroid ,
trans-Neptunian object
FVH: new (2007-OCT-2)
 
Edgeworth-Kuiper belt object      (EdgeworthKuiperBeltObject)
Edgeworth-Kuiper belt object
EKO ,
KBO ,
Kuiper belt object
trans-Neptunian object Edgeworth-Kuiper belt
 
effective temperature      (effectiveTemperature)
effective temperature
temperature electromagnetic radiation ,
photometry ,
radiation ,
standard candle
 
e-folding time      (eFoldingTime)
e-folding time
oscillation
 
E galaxy      (EGalaxy)
elliptical galaxy (Yerkes classification scheme)
elliptical galaxy Ep galaxy Yerkes classification
FVH: new (2007-OCT-12)
 
Einstein coefficient      (EinsteinCoefficient)
Einstein coefficient
absorption coefficient ,
emission coefficient
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
Einstein effect      (EinsteinEffect)
Einstein effect
Einstein shift gravitational redshift
 
einsteinium      (einsteinium)
einsteinium (atomic number 99)
Es fundamental chemical element
FVH: new (2007-OCT-25)
 
Einstein ring      (EinsteinRing)
Einstein ring
gravitationally lensed source gravitational deflection ,
gravitational lensing
 
Einstein universe      (EinsteinUniverse)
Einstein universe
cosmology
 
ejecta      (ejecta)
ejecta
Wolf-Rayet star ,
crater
 
ejection      (ejection)
ejection
combine with other terms
 
elasticity      (elasticity)
elasticity
combine with other terms
 
E layer      (ELayer)
E layer
E region Earth atmosphere ,
ionosphere
refers to Earth atmosphere
 
electrical property      (electricalProperty)
electrical property
electricity
 
electric charge      (electricCharge)
electric charge
dipole ,
electricity ,
electrostatic wave
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
electric current      (electricCurrent)
electric current
current sheet ,
current ,
electricity
 
electric dipole      (electricDipole)
electric dipole
dipole ,
electricity
 
electric field      (electricField)
electric field
Paul trap ,
electricity ,
electrostatic wave ,
force
 
electricity      (electricity)
electricity
electric charge ,
electric current ,
electric dipole ,
electric field ,
electrical property
 
electrode      (electrode)
electrode
cathode ,
photocathode
image tube ,
photomultiplier tube
 
electrodynamics      (electrodynamics)
electrodynamics
cosmic electrodynamics
 
electromagnetic      (electromagnetic)
electromagnetic
combine with other terms
 
electromagnetic field      (electromagneticField)
electromagnetic field
electromagnetic forces ,
field equation ,
quantum field theory ,
radiation field
 
electromagnetic forces      (electromagneticForces)
electromagnetic forces
force electromagnetic field
 
electromagnetic interaction      (electromagneticInteraction)
electromagnetic interaction
interaction
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
electromagnetic radiation      (electromagneticRadiation)
electromagnetic radiation
electromagnetic wave radiation ,
wave
Cerenkov radiation ,
X-ray radiation ,
black body radiation ,
bremsstrahlung ,
continuum radiation ,
cyclotron radiation ,
gamma-ray radiation ,
infrared radiation ,
microwave radiation ,
millimeter radiation ,
polarized light ,
polarized radiation ,
radio radiation ,
submillimeter radiation ,
synchrotron radiation ,
thermal radiation ,
ultraviolet radiation ,
visible radiation
Planck black body formula ,
color ,
darkness ,
effective temperature ,
electrostatic wave ,
flux density ,
gravitational lensing ,
lamp ,
light absorption ,
light interference ,
light polarization ,
light scattering ,
luminescence ,
photon ,
radiative equilibrium ,
recombination line ,
refraction ,
solar constant ,
wavelength
FVH+ES: moved radiation to BT, lots of NT and RT from electromagnetic_wave (2007-OCT-8)
 
electromagnetic theory      (electromagneticTheory)
electromagnetic theory
cosmic electrodynamics
 
electron beam      (electronBeam)
electron beam
relativistic electron
 
electron density      (electronDensity)
electron density
density electron
 
electron      (electron)
electron
fundamental particle ,
lepton ,
nuclear radiation ,
particle
Compton effect ,
Compton scattering ,
alpha particle ,
bremsstrahlung ,
electron density ,
inverse Compton effect ,
inverse Compton scattering ,
pair annihilation ,
pair production ,
photoionization ,
positron ,
radiative recombination ,
radioactivity ,
recombination ,
thermionic emission
 
electronic camera      (electronicCamera)
electronic camera
electronographic camera image tube
 
electronic equipment      (electronicEquipment)
electronic equipment
diode instrument ,
shot noise
 
electronics      (electronics)
electronics
combine with other terms
 
electronographic camera      (electronographicCamera)
electronographic camera
electrographic camera electronic camera
 
electron pumping      (electronPumping)
electron pumping
laser ,
maser
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
electron temperature      (electronTemperature)
electron temperature
temperature
APM: new (2007-OCT-4)
 
electrostatic wave      (electrostaticWave)
electrostatic wave
electric charge ,
electric field ,
electromagnetic radiation ,
radiation scattering
 
elementary particle      (elementaryParticle)
elementary particle
particle antiparticle ,
axion ,
baryon ,
boson ,
graviton ,
hadron ,
lepton ,
meson ,
neutrino ,
neutron ,
proton ,
photon ,
pion ,
quark
Dark Matter ,
Feynman diagram ,
particle acceleration ,
particle creation ,
particle escape ,
particle interaction ,
particle production ,
plasma
only the broad classes are shown below; specific type will be found under these, or from the hierarchical list
 
elementary particle scattering      (elementaryParticleScattering)
elementary particle scattering
scattering radiation scattering
 
element formation      (elementFormation)
element formation
formation of element abundance ,
chemical element ,
frozen in element ,
origin
 
ellipsoidal variable star      (ellipsoidalVariableStar)
ellipsoidal variable star
ellipsoidal binary star ,
photometric binary star
binary star ,
close binary star ,
contact binary star ,
variable star
beta Lyrae star eclipsing binary star ,
spectroscopic binary star
 
elliptical galaxy      (ellipticalGalaxy)
elliptical galaxy
e galaxy galaxy D galaxy ,
E galaxy ,
Ep galaxy ,
cD galaxy ,
giant elliptical galaxy
Faber-Jackson relation ,
SBF distance ,
fundamental plane ,
oblateness
 
elliptical orbit      (ellipticalOrbit)
elliptical orbit
eccentric orbit orbit ,
periodic orbit
circular orbit annual equation ,
eccentricity ,
equation of time ,
hyperbolic orbit ,
parabolic orbit
 
emerging flux      (emergingFlux)
emerging flux
magnetic field solar activity ,
sunspot
FVH: new (2007-OCT-29)
 
emission coefficient      (emissionCoefficient)
emission coefficient
Einstein coefficient
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
emission line      (emissionLine)
emission line
spectral line Ca II emission line ,
X-ray line ,
coronal line ,
forbidden line ,
recombination line
H II region ,
Neumann line ,
atomic process ,
emission line galaxy ,
emission line object ,
emission line star ,
emission nebula ,
emission process ,
emission spectrum ,
flash spectrum ,
line formation ,
line identification ,
line intensitite ,
line profile ,
line ratio ,
spectrum ,
spectroscopic analysis
 
emission line galaxy      (emissionLineGalaxy)
emission line galaxy
emission line object ,
galaxy ,
peculiar galaxy
Markarian galaxy ,
Seyfert nucleus ,
liner galaxy
H II region ,
Haro galaxy ,
Seyfert galaxy ,
active galactic nucleus ,
active galaxy ,
emission line
 
emission line object      (emissionLineObject)
emission line object
H II region ,
Herbig-Haro object ,
emission line galaxy ,
emission line star ,
emission nebula
emission line
only the broad classes are shown below; specific type will be found under these, or from the hierarchical list
 
emission line star      (emissionLineStar)
emission line star
active star ,
emission line object
Me star ,
Me variable star ,
Mira variable star ,
RV Tauri star ,
RW Aurigae star ,
S Doradus star ,
T Tauri star ,
X-ray star ,
Z Andromedae star ,
early-type emission star ,
flare star ,
flash star ,
gamma Cassiopeiae star ,
symbiotic star
P Cygni line profile ,
U Geminorum star ,
dwarf nova ,
emission line ,
peculiar star ,
planetary nebula
ES: deleted NT shell_star (2007-OCT-8)
 
emission nebula      (emissionNebula)
emission nebula
emission line object ,
gaseous nebula ,
nebula
H II region ,
Herbig-Haro object ,
planetary nebula
T Tauri star ,
emission line
 
emission process      (emissionProcess)
emission process
emission line ,
emission spectrum
 
emission spectrum      (emissionSpectrum)
emission spectrum
line spectrum ,
spectrum
C I emission ,
OH emission ,
X-ray emission ,
free-bound emission ,
free-free emission ,
infrared emission ,
microwave emission ,
radio emission ,
thermal emission
H I emission ,
Neumann line ,
Raman effect ,
emission line ,
emission process ,
light emission
 
emissivity      (emissivity)
emissivity
black body radiation ,
radiation ,
temperature
 
encounter      (encounter)
encounter
galaxy encounter galaxy merger ,
gravitational interaction ,
stellar dynamics
generally of star or galaxy
 
energetic particle      (energeticParticle)
energetic particle
plasma
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
energy content      (energyContent)
energy content
combine with other terms
 
energy density      (energyDensity)
energy density
density Omega Lambda ,
Omega parameter
FVH: new (2007-OCT-24)
 
energy distribution      (energyDistribution)
energy distribution
combine with other terms
 
energy      (energy)
energy
gravitational energy ,
kinetic energy ,
potential energy
flux ,
force
combine with other terms
 
energy level      (energyLevel)
energy level
spectrum
 
energy source      (energySource)
energy source
combine with other terms
 
energy spectrum      (energySpectrum)
energy spectrum
absorption spectrum
 
energy-transfer      (energyTransfer)
energy-transfer
energy transfer heat-transfer ,
radiative transfer
adiabatic process ,
conduction ,
convection ,
non-LTE transfer ,
radiation ,
thermodynamic equilibrium ,
thermodynamics
 
engineering      (engineering)
engineering
design ,
scientific field
combine with other terms
 
English mounting      (EnglishMounting)
English mounting
equatorial mounting
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
enrichment      (enrichment)
enrichment
chemical evolution abundance
ES: new (2007-OCT-8)
 
enthalpy      (enthalpy)
enthalpy
thermodynamics
 
entropy      (entropy)
entropy
thermodynamics
 
envelope      (envelope)
envelope
comet ,
convection
combine with other terms
 
Ep galaxy      (EpGalaxy)
peculiar elliptical galaxy with dust absorption (modification of Yerkes classification scheme)
E galaxy ,
elliptical galaxy ,
peculiar galaxy ,
radio galaxy
Yerkes classification
 
ephemeral active region      (ephemeralActiveRegion)
ephemeral active region
solar activity
 
ephemeris      (ephemeris)
ephemeris
almanac ,
calendar ,
catalog ,
fundamental star ,
nautical almanac ,
time
 
ephemeris time      (ephemerisTime)
ephemeris time
time Universal Time ,
civil time ,
mean solar time ,
solar day ,
year
 
epoch      (epoch)
epoch
Besselian epoch ,
Julian epoch
Julian Date ,
time
 
e-process      (eProcess)
e process
nuclear fusion ,
stellar evolution ,
supernova
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
equation of state      (equationOfState)
equation of state
atomic process ,
interaction
FVH: new (2007-OCT-8)
 
equation of the center      (equationOfTheCenter)
equation of the center
Earth-Moon system ,
Moon
 
equation of the equinox      (equationOfTheEquinox)
equation of the equinox
Earth rotation ,
equation of time ,
equinox position ,
nutation ,
precession ,
sidereal time
 
equation of time      (equationOfTime)
equation of time
Earth orbit ,
elliptical orbit ,
equation of the equinox ,
mean solar time
 
equator correction      (equatorCorrection)
equator correction
celestial equator
 
equator determination      (equatorDetermination)
equator determination
celestial equator
 
equator      (equator)
equator
Declination ,
Right Ascension ,
celestial pole
of Earth; also see celestial equator
 
equatorial bulge      (equatorialBulge)
equatorial bulge
geoid ,
oblateness ,
planet ,
rotation
 
equatorial coordinate system      (equatorialCoordinateSystem)
equatorial coordinate system
celestial coordinate ,
equatorial system
celestial coordinate system celestial equator ,
celestial pole ,
Declination ,
Right Ascension
equatorial mounting ,
equatorial zone
 
equatorial mounting      (equatorialMounting)
equatorial mounting
telescope mounting English mounting ,
German mounting ,
fork mounting ,
horseshoe mounting ,
yoke mounting
altazimuth mounting ,
equatorial coordinate system
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
equatorial zone      (equatorialZone)
equatorial zone
Declination ,
equatorial coordinate system
 
equator position      (equatorPosition)
equator position
astrometry ,
celestial equator
 
equilibrium      (equilibrium)
equilibrium
combine with other terms
 
equilibrium figures      (equilibriumFigures)
equilibrium figures
model
 
equinox correction      (equinoxCorrection)
equinox correction
equinox position
 
equinox      (equinox)
equinox
autumnal equinox ,
mean equinox ,
vernal equinox
celestial equator ,
ecliptic ,
solstice
 
equinox position      (equinoxPosition)
equinox position
equation of the equinox ,
equinox correction
 
equipotential surface      (equipotentialSurface)
equipotential surface
contact binary star
 
equivalent width      (equivalentWidth)
equivalent width
line width absorption ,
instrumental profile ,
line broadening ,
spectrum ,
spectral line
 
erbium      (erbium)
erbium (atomic number 68)
Er fundamental chemical element ,
rare earth
FVH: new (2007-OCT-25)
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
e region      (eRegion)
e region
Kapteyn selected area Johnson photometry ,
Stromgren photometry ,
photometry
 
ergosphere      (ergosphere)
ergosphere
black hole ,
event horizon ,
velocity of light
 
error analysis      (errorAnalysis)
error analysis
data analysis data processing ,
data reduction
 
error      (error)
error
selection effect correction
combine with other terms
 
eruption      (eruption)
eruption
cataclysmic variable star ,
eruptive binary star
 
eruptive binary star      (eruptiveBinaryStar)
eruptive binary star
binary star SX Arietis star ,
X-ray binary star ,
alpha2 Canum Venaticorum star ,
cataclysmic variable star ,
dwarf nova ,
nova ,
symbiotic star
X-ray source ,
eruption ,
interacting binary star ,
mass exchange ,
mass-loss
 
escape velocity      (escapeVelocity)
escape velocity
velocity orbital velocity ,
parabolic velocity
 
ethane      (ethane)
ethane
hydrocarbon
 
ethylene      (ethylene)
ethylene
hydrocarbon
 
europium      (europium)
europium (atomic number 63)
Eu fundamental chemical element ,
rare earth
FVH: new (2007-OCT-25)
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
evaporation      (evaporation)
evaporation
combine with other terms
 
event horizon      (eventHorizon)
event horizon
Hawking radiation ,
black hole ,
ergosphere ,
velocity of light
 
Evershed-effect      (EvershedEffect)
Evershed-effect
Evershed effect sunspot
 
evolutionary track      (evolutionaryTrack)
evolutionary track
Hayashi track ,
Henyey track
Hertzsprung-Russell diagram ,
stellar evolution
 
evolution      (evolution)
evolution
dynamical evolution ,
stellar evolution
galaxy ,
planet
combine with other terms
 
evolved star      (evolvedStar)
evolved star
non-main sequence star ,
star
horizontal branch star ,
old star ,
planetary nebula ,
post-main sequence star ,
pulsar ,
white dwarf
red giant tip
only the broad classes are shown below; specific type will be found under these, or from the hierarchical list
 
excitation      (excitation)
excitation
atomic process
combine with other terms
 
exciting star      (excitingStar)
exciting star
H II region ,
planetary nebula
 
exosphere      (exosphere)
exosphere
Earth atmosphere ,
ionosphere ,
magnetosphere ,
planet ,
thermosphere ,
troposphere ,
upper atmosphere
 
expanding envelope      (expandingEnvelope)
expanding envelope
circumstellar envelope circumstellar matter
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
expanding universe      (expandingUniverse)
expanding universe
cosmology
 
expansion      (expansion)
expansion
combine with other terms
 
explosion      (explosion)
explosion
combine with other terms
 
exponential profile      (exponentialProfile)
exponential mass-profile
mass distribution Burkert profile ,
Navarro-Frenk-White profile ,
isothermal sphere
FVH: new (2007-OCT-5)
 
extended object      (extendedObject)
extended object
extended source ,
three-dimensional spectrum ,
two-dimensional spectrum
 
extended source      (extendedSource)
extended source
radio source ,
source
extended object ,
radio structure
 
extragalactic object      (extragalacticObject)
extragalactic object
extragalactic radio source ,
galaxy ,
quasar
only the broad classes are shown below; specific type will be found under these, or from the hierarchical list
 
extragalactic radio source      (extragalacticRadioSource)
extragalactic radio source
extragalactic object ,
radio source
BL Lacertae object ,
quasar ,
radio galaxy
 
extrasolar planet      (extrasolarPlanet)
extrasolar planet
planet Solar System ,
star formation
 
extraterrestrial intelligence      (extraterrestrialIntelligence)
extraterrestrial intelligence
extraterrestrial life search for extraterrestrial life
FVH: moved EXTRATERRESTRIAL_LIFE to BT (2007-OCT-1)
 
  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Descriptionaltbroadernarrowerrelated
extraterrestrial life      (extraterrestrialLife)
extraterrestrial life
life extraterrestrial intelligence astrobiology ,
interstellar communication ,
search for extraterrestrial life
FVH: moved LIFE to BT, SETI to RT (2007-OCT-4)
 
extreme carbon star      (extremeCarbonStar)
extreme carbon star
giant ,
infrared source
circumstellar shell
 
extreme horizontal branch star      (extremeHorizontalBranchStar)
extreme horizontal branch star
horizontal branch star
ES: new (2007-OCT-8)
 
extreme population I star      (extremePopulationIStar)
extreme population I star
population I star
 
extreme ultraviolet radiation      (extremeUltravioletRadiation)
extreme ultraviolet radiation
EUV ultraviolet radiation far ultraviolet radiation ,
near ultraviolet radiation
 
eyepiece      (eyepiece)
eyepiece
Kellner eyepiece ,
Ramsden eyepiece ,
orthoscopic eyepiece
graticule ,
lens ,
optical telescope ,
reticle
 

Mon Jun 2 18:20:55 2008